CN112652684A - Method for replacing LED lamp beads on substrate - Google Patents
Method for replacing LED lamp beads on substrate Download PDFInfo
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- CN112652684A CN112652684A CN202011598330.7A CN202011598330A CN112652684A CN 112652684 A CN112652684 A CN 112652684A CN 202011598330 A CN202011598330 A CN 202011598330A CN 112652684 A CN112652684 A CN 112652684A
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- 239000011324 bead Substances 0.000 title claims abstract description 118
- 239000000758 substrate Substances 0.000 title claims abstract description 31
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000001514 detection method Methods 0.000 claims abstract description 8
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- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/005—Processes
- H01L33/0095—Post-treatment of devices, e.g. annealing, recrystallisation or short-circuit elimination
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/10—Measuring as part of the manufacturing process
- H01L22/14—Measuring as part of the manufacturing process for electrical parameters, e.g. resistance, deep-levels, CV, diffusions by electrical means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/20—Sequence of activities consisting of a plurality of measurements, corrections, marking or sorting steps
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- Engineering & Computer Science (AREA)
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- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
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- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The invention provides a method for replacing an LED lamp bead on a substrate, and belongs to the technical field of LED processing. A method for replacing an LED lamp bead on a substrate comprises the following steps: s1, placing the LED substrate on a replacement device for power-on detection, and then replacing a visual photographing device on the device for photographing detection to judge whether all the lamp beads on the LED substrate are lighted; s2, after detecting the lamp beads that do not light, through the contrast of the LED base plate arrangement drawing, set for the coordinate position of the lamp beads that do not light, heat to the lamp plate lower surface that corresponds to the lamp beads that do not light through heating element and make tin melt the back, refrigerate in this heating range outside simultaneously, take out the lamp beads that do not light through the manipulator. The invention has the advantages of high replacement efficiency and good replacement effect.
Description
Technical Field
The invention belongs to the technical field of LED processing, and particularly relates to a method for replacing an LED lamp bead on a substrate.
Background
The LED is a semiconductor light-emitting diode and is made of semiconductor materials so as to directly convert electric energy into light energy and convert an electric signal into a light signal; its advantages are low power consumption, high brightness, gay colour, vibration resistance, long service life and cold light source.
In the production process, LED lamp pearl paster is on the base plate, but because the transport of LED lamp pearl, shift, in the installation, all can the possibility of damage, perhaps rosin joint in the installation, lead to local lamp pearl can not lighted, consequently need carry out local replacement lamp pearl, but when the replacement, generally adopt the manual work to place whole piece on the warm-table basically, make the tin between base plate and the lamp pearl melt, later take off the lamp pearl, but, can heat up on a large scale when melting, lead to all lamp pearls to heat simultaneously, great reduction the life of lamp pearl, the efficiency of manual replacement is also and lowly, lamp pearl position after the change is also not regular, it is crooked easily.
Disclosure of Invention
The invention aims to provide a method for replacing an LED lamp bead on a substrate aiming at the problems in the prior art, and solves the problems of low manual replacement efficiency and poor replacement effect.
The purpose of the invention can be realized by the following technical scheme:
a method for replacing an LED lamp bead on a substrate is characterized by comprising the following steps:
s1, placing the LED substrate on a replacement device for power-on detection, and then replacing a visual photographing device on the device for photographing detection to judge whether all the lamp beads on the LED substrate are lighted;
s2, after detecting the unlighted lamp beads, setting the coordinate positions of the unlighted lamp beads through the comparison of LED substrate arrangement drawings, heating the lower surfaces of the lamp panels corresponding to the unlighted lamp beads through a heating assembly until tin is melted, refrigerating outside the heating range, and taking out the unlighted lamp beads through a manipulator;
s3, inputting the good lamp beads through the input assembly, coating solder paste on the lower parts of the good lamp beads, picking up the lamp beads through a manipulator, and transferring the lamp beads to a position where the unlit lamp beads are taken out;
s4, restarting the heating assembly to fix the good lamp beads;
and S5, detecting the electrification.
In the method for replacing the LED lamp beads on the substrate, the replacement equipment comprises a rack, a vision device is fixed on the rack, a power-on device used for powering on the lamp panel is arranged on the rack, a track is arranged on the rack, a first limiting slide way and a second limiting slide way are fixed on the track in a sliding manner, a placing channel for placing the lamp panel is formed between the first limiting slide way and the second limiting slide way, the second limiting slide way can be fixed through a limiting screw, a moving frame is arranged on the rack, a driving mechanism for driving the moving frame to move is arranged on the rack, a first slide hole and a second slide hole are formed in the moving frame, an upper lifting frame is arranged on the first slide hole in a sliding manner, a lower lifting frame is arranged on the second slide hole in a sliding manner, a first rack is fixed on the upper lifting frame, and a second rack is fixed on the lower lifting frame, the first gear is rotatably arranged on the movable frame and is meshed with the first rack and the second rack simultaneously; a first driving motor is fixed on the movable frame, and an output shaft of the first driving motor is in transmission connection with the gear; the ascending and descending frame is provided with a picking assembly for picking up lamp beads, the descending frame is provided with a heating assembly for heating the lamp panel, and the rack is also provided with an input assembly for inputting the lamp beads and coating solder paste on pins of the lamp beads.
In the method for replacing the LED lamp beads on the substrate, the picking assembly comprises a manipulator, a second driving motor, a second gear, a third rack, a first push rod motor and a sliding block, a transversely arranged guide rail is fixed on the lifting frame, the sliding block is arranged on the guide rail in a sliding mode, the second driving motor is fixed on the sliding block, the second gear is coaxially fixed on the second driving motor, the third rack is fixed on the lifting frame, the second gear is meshed with the third rack, the first push rod motor is fixed on the sliding block, and the manipulator is fixed on a push rod of the first push rod motor.
In the replacement method of the LED lamp beads on the substrate, the heating assembly comprises a heating plate, a refrigeration part, an air cooler and an adjusting rod, a supporting rod is arranged on the lower lifting frame, a through hole is formed in the supporting rod, the adjusting rod is arranged on the through hole in a sliding mode, the adjusting rod is connected with the supporting rod through a pressure spring, the refrigeration part is fixed to the upper portion of the adjusting rod, a circulation channel for circulation of cold air is formed in the refrigeration part, the section of the refrigeration part is of a C shape, the refrigeration part is of an O shape, the refrigeration part is coated with silicon rubber, the refrigeration part is provided with an inlet and an outlet, the air cooler is fixed to the frame, an air outlet of the air cooler is connected with the inlet of the refrigeration part through a pipeline, and the heating plate is fixed to the upper portion of the adjusting rod and located in the.
In the method for replacing the LED lamp beads on the substrate, the input assembly comprises an input pipeline, a recovery groove, an unwinding shaft for arranging an LED lamp bead reel, a first winding shaft for winding a coated film and a second winding shaft for winding a winding tape, the input pipeline and the recovery groove are fixed on a rack, an opening is formed in the input pipeline, a driving motor is fixed on the rack, a turnover wheel is fixed on an output shaft of the driving motor, a plurality of storage grooves for containing one lamp bead are formed in the turnover wheel, and the storage grooves can correspond to the lower end of the input pipeline; the lamp bead storage device is characterized in that the unwinding shaft, the first winding shaft and the second winding shaft are rotatably arranged on a rack, a third driving motor and a fourth driving motor are fixed on the rack, an output shaft of the third driving motor is in transmission connection with the first winding shaft, an output shaft of the fourth driving motor is in transmission connection with the second winding shaft, a storage structure for storing lamp beads is arranged on the rack, the storage structure comprises a first storage rack, a second push rod motor and a third push rod motor, the second push rod motor and the third push rod motor are fixed on the rack, the first storage rack is fixed on a push rod of the second push rod motor, a plurality of first extrusion rods are slidably arranged on the first storage rack, the first extrusion rods are connected with the first storage rack through springs, a plurality of second extrusion rods are slidably arranged on the second storage rack, and the second extrusion rods are connected with the second storage rack through springs, the second storage rack is fixed on a push rod of the third push rod motor, when the first storage rack and the second storage rack are abutted, a containing area for containing lamp beads is formed and is connected with one storage groove on the turnover wheel, the first storage rack is provided with a first supporting plate, the second storage rack is provided with a second supporting plate, the first supporting plate is provided with a first groove corresponding to a pin of the lamp beads, the second supporting plate is provided with a second groove corresponding to the pin of the lamp beads, the first groove and the second groove can form a limiting area for limiting tin paste, an abutting plate connected with the first storage rack and the second storage rack is fixed on the rack, a fourth push rod motor is fixed on the rack, a moving block is fixed on the push rod of the fourth push rod motor, a containing barrel is fixed on the moving block, and the upper part of the containing barrel can abut against the lower surface of the abutting plate, and a fifth push rod motor is fixed at the bottom of the accommodating barrel, an extrusion plate is fixed on a push rod of the fifth push rod motor, and the extrusion plate is abutted against the edge of the accommodating barrel.
In the method for replacing the LED lamp beads on the substrate, the first storage rack and the second storage rack are respectively provided with the guide plate.
In the method for replacing the LED lamp beads on the substrate, the edge of the extrusion plate is fixed with the scraper.
In the method for replacing the LED lamp beads on the substrate, the lower surfaces of the first supporting plate and the second supporting plate are flush with the lower surface of the abutting plate.
Compared with the prior art, the invention has the following characteristics:
by the method, the lamp beads which cannot be lightened on the lamp panel can be replaced quickly and efficiently, the efficiency is high, the lamp beads are stable, when the lamp panel is heated, local heating can be performed, the outside of the region is refrigerated in the heating process, the problem that the heat is dissipated to the lamp beads nearby to affect the service life of the lamp beads is solved, and the position of the lamp beads is not inclined and is more attractive due to the fact that the lamp beads are taken and placed through the manipulator.
Drawings
FIG. 1 is a schematic of the present invention.
Fig. 2 is a schematic diagram of an input assembly of the present invention.
Fig. 3 is a side view of an input assembly of the present invention.
Fig. 4 is a cross-sectional view of a refrigeration unit of the present invention.
Fig. 5 is a top cross-sectional view of a refrigeration unit of the present invention.
Fig. 6 is a top view of the input assembly of the present invention.
Fig. 7 is a sectional view of the receiving cylinder of the present invention.
In the figure, 1, a frame; 2. a vision device; 3. a power-on device; 4. a track; 5. a first limiting slide way; 6. a second limiting slide way; 7. a movable frame; 8. lifting the frame; 9. a lower lifting frame; 9a, a support rod; 10. a first rack; 11. a second rack; 12. a first gear; 13. a first drive motor; 14. a manipulator; 15. a second drive motor; 16. a second gear; 17. a third rack; 18. a first push rod motor; 19. a slider; 20. a guide rail; 21. heating plates; 22. a refrigeration component; 22a, a flow-through channel; 23. an air cooler; 24. adjusting a rod; 25. silicone rubber; 26. an input pipe; 26. an opening; 27. a recovery tank; 28. unwinding the reel; 29. a first winding shaft; 30. a second wind-up reel; 31. driving a motor; 32. a turnover wheel; 32a, a storage tank; 33. a first storage rack; 33a, a first support plate; 33a1, first slot; 33a2, chute one; 33a3, a first sliding plate; 34. a second storage rack; 34a, a second support plate; 34a1, second slot; 34a2 and a second chute; 34a3 and a sliding plate II; 35. a second push rod motor; 36. a third push rod motor; 37. a first extrusion rod; 38. a first spring; 39. a second extrusion rod; 40. a second spring; 41. a backup plate; 42. a fourth push rod motor; 43. a moving block; 44. an accommodating cylinder; 45. a fifth push rod motor; 46. a pressing plate; 47. a squeegee; 48. a guide plate; 49. a lamp panel; 50. lamp bead reel; 50a, coating a film; 50b, rolling up.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 7, a method for replacing an LED lamp bead on a substrate includes the following steps:
s1, placing the LED substrate on a replacement device for power-on detection, and then replacing a visual photographing device on the device for photographing detection to judge whether all the lamp beads on the LED substrate are lighted;
s2, after detecting the unlighted lamp beads, setting the coordinate positions of the unlighted lamp beads through the comparison of LED substrate arrangement drawings, heating the lower surfaces of lamp panels 49 corresponding to the unlighted lamp beads through a heating assembly until tin is melted, refrigerating outside the heating range, and taking out the unlighted lamp beads through the manipulator 14;
s3, inputting the good lamp beads through the input assembly, coating solder paste on the lower parts of the good lamp beads, picking up the lamp beads through the manipulator 14, and transferring the lamp beads to the position where the unlit lamp beads are taken out;
s4, restarting the heating assembly to fix the good lamp beads;
and S5, detecting the electrification.
By the method, the lamp beads which cannot be lightened on the lamp panel 49 can be replaced quickly and efficiently, the efficiency is high, the lamp beads are stable, when the lamp panel 49 is heated, local heating can be performed, in the heating process, the outside of the area is refrigerated, the heat is prevented from being dissipated to the lamp beads nearby, the service life of the lamp beads is prevented from being affected, the lamp beads are taken and placed through the manipulator 14, and the positions of the lamp beads can be guaranteed not to be inclined, so that the lamp beads are more attractive.
Specifically, the replacement equipment comprises a frame 1, a vision device 2 is fixed on the frame 1, a power device 3 for powering on the lamp panel 49 is arranged on the frame 1, a track 4 is arranged on the frame 1, a first limit slide 5 and a second limit slide 6 are fixed on the track 4, a placing channel for placing the lamp panel 49 is formed between the first limit slide 5 and the second limit slide, the second limit slide can be fixed through a limit screw, a moving frame 7 is arranged on the frame 1, a driving mechanism for driving the moving frame 7 to move is arranged on the frame 1, a first slide hole and a second slide hole are arranged on the moving frame 7, an ascending and descending frame 8 is arranged on the first slide hole in a sliding manner, a descending frame 9 is arranged on the second slide hole in a sliding manner, a first rack 10 is fixed on the ascending and descending frame 8, a second rack 11 is fixed on the descending frame 9, a first gear 12 is arranged on the moving frame 7 in a rotating manner, the first gear 12 is meshed with the first rack 10 and the second rack 11 simultaneously; a first driving motor 13 is fixed on the movable frame 7, and an output shaft of the first driving motor 13 is in transmission connection with a first gear 12; the ascending and descending frame 8 is provided with a picking assembly for picking up lamp beads, the lower ascending and descending frame 9 is provided with a heating assembly for heating the lamp panel 49, and the rack 1 is also provided with an input assembly for inputting the lamp beads and coating solder paste on pins of the lamp beads.
Adjusting a second limiting slideway 6 according to the width of a lamp panel 49, then placing the lamp panel 49 on a first limiting slideway 5 and a second limiting slideway 6, electrifying the lamp panel 49 by an electrifying device 3, taking a picture by a visual device 2, recording unlit lamp beads, then driving a moving frame 7 to move by a driving mechanism, wherein the driving mechanism is the prior art and can drive the moving frame 7 to move in any direction on the same level, after an upper lifting frame 8 and a lower lifting frame 9 move to a preset position, a first driving motor 13 drives a gear I12 to rotate to drive the upper lifting frame 8 to descend, and the lower lifting frame 9 to ascend until a heating component contacts with the lower surface of the lamp panel 49 and starts to heat the lamp panel, and when the heating component heats partial tin on the lamp panel 49 to melt, then taking the unlit lamp beads off by a picking component, then the picking component transfers the tin paste-coated lamp beads on an input component to the original unlit positions, after the lamp beads are placed in the lamp holder, the heating assembly is started again to heat the lamp beads, and the lamp beads are fixed.
Specifically, the picking assembly comprises a manipulator 14, a second driving motor 15, a second gear 16, a third rack 17, a first push rod motor 18 and a sliding block 19, a transversely arranged guide rail 20 is fixed on the lifting frame 8, the sliding block 19 is arranged on the guide rail 20 in a sliding mode, the second driving motor 15 is fixed on the sliding block 19, the second gear 16 is coaxially fixed on the second driving motor 15, the third rack 17 is fixed on the lifting frame 8, the second gear 16 is meshed with the third rack 17, the first push rod motor 18 is fixed on the sliding block 19, and the manipulator 14 is fixed on a push rod of the first push rod motor 18. The manipulator 14 can be moved up and down by the second pusher motor 35, and the slider 19 can be driven to move back and forth on the guide rail 20 by the second drive motor 15.
Specifically, heating element includes hot plate 21, refrigeration part 22, the air-cooler 23, adjust pole 24, branch 9a has on the crane 9 down, the through-hole has been seted up on branch 9a, it slides and sets up on the through-hole to adjust pole 24, it links to each other with branch 9a through the pressure spring to adjust pole 24, refrigeration part 22 is fixed on adjusting pole 24 upper portion, circulation channel 22a that supplies the air conditioning circulation has in refrigeration part 22, refrigeration part 22 cross-section is the C type, refrigeration part 22 is the O type, it has the cladding silicon rubber 25 to have seted up on the refrigeration part 22, refrigeration part 22 has an import and an export, air-cooler 23 is fixed in frame 1, the air outlet of air-cooler 23 passes through the pipeline and links to each other with refrigeration part 22's import, hot plate 21 is fixed on adjusting pole 24 upper. After crane 9 rises down, adjust the hot plate 21 on 24 upper portions of pole and lean on the lower surface at lamp plate 49, then refrigeration part 22 also sets up along hot plate 21 periphery, after the heater block heating, refrigeration part 22 starts simultaneously, can avoid hot plate 21 to lamp plate 49 heating after, the heat scatters, cause the influence to lamp pearl on every side, refrigeration part 22's cross-section is the C type, its refrigeration part 22's breach position is towards lamp plate 49, after refrigeration part 22 and lamp laminating, can make refrigeration part 22 and lamp plate 49 formation a great contact surface through silicon rubber 25, after letting in cold wind, the promotion can only the effect.
Specifically, the input assembly comprises an input pipeline 26, a recovery groove 27, an unreeling shaft 28 for arranging an LED lamp bead reel 50, a first reeling shaft 29 for reeling a coating film 50a and a second reeling shaft for reeling a reeling tape 50b, the input pipeline 26 and the recovery groove 27 are fixed on the rack 1, and an opening 26a is formed in the input pipeline 26; a driving motor 31 is fixed on the frame 1, a turnover wheel 32 is fixed on an output shaft of the driving motor 31, a plurality of storage slots 32a for containing one lamp bead are arranged on the turnover wheel 32, the storage slots 32a can correspond to the lower end of the input pipeline 26, the unwinding shaft 28, the first winding shaft 29 and the second winding shaft are rotatably arranged on the frame 1, a third driving motor and a fourth driving motor are fixed on the frame 1, an output shaft of the third driving motor is in transmission connection with the first winding shaft 29, an output shaft of the fourth driving motor is in transmission connection with the second winding shaft, a storage structure for storing the lamp bead is arranged on the frame 1, the storage structure comprises a first storage rack 33, a second storage rack 34, a second push rod motor 35 and a third push rod motor 36, the second push rod motor 35 and the third push rod motor 36 are fixed on the frame 1, the first storage rack 33 is fixed on a push rod of the second push rod motor 35, the second storage rack 34 is fixed on a push rod of a third push rod motor 36, a plurality of first extrusion rods 37 are slidably arranged on the first storage rack 33, the first extrusion rods 37 are connected with the first storage rack 33 through first springs 38, a plurality of second extrusion rods 39 are slidably arranged on the second storage rack 34, the second extrusion rods 39 are connected with the second storage rack 34 through second springs 40, when the first storage rack 33 and the second storage rack 34 are abutted, an accommodating area for accommodating lamp beads is formed and is connected with one storage groove 32a on the turnover wheel 32, the first storage rack 33 is provided with a first supporting plate 33a, the second storage rack 34 is provided with a second supporting plate 34a, the first supporting plate 33a is provided with a first open groove 33a1 corresponding to a pin of the lamp beads, the second supporting plate 34a is provided with a second open groove 34a1 corresponding to the pin of the lamp beads, the first open groove 33a1 and the second open groove 34a1 can form a limiting area for limiting solder paste, the rack 1 is fixed with a support plate 41 connected with the first storage rack 33 and the second storage rack 34, the rack 1 is fixed with a fourth push rod motor 42, a push rod of the fourth push rod motor 42 is fixed with a moving block 43, the moving block 43 is fixed with an accommodating barrel 44, the upper part of the accommodating barrel 44 can support against the lower surface of the support plate 41, the bottom of the accommodating barrel 44 is fixed with a fifth push rod motor 45, a push rod of the fifth push rod motor 45 is fixed with a squeezing plate 46, and the squeezing plate 46 is abutted against the edge of the accommodating barrel 44.
The unwind shaft 28 of the present invention is driven by a separate motor. The input assembly is obliquely arranged, so that the lamp beads can enter the accommodating area according to gravity, and the lamp beads can be clamped into a half in the storage groove 32a on the turnover wheel 32.
The LED lamp bead reel 50 is fed into the input pipeline 26, the covering film 50a is torn off and wound on the second winding shaft before being fed, then the LED lamp bead reel is wound to the input pipeline 26, the winding tape 50b is pulled out from the opening 26a of the input pipeline 26 and then wound on the first winding shaft 29, when the winding tape 50b is pulled out from the opening 26a, the lamp beads in the winding tape 50b are separated and continuously slide along the input pipeline 26 until the winding tape enters the storage groove 32a on the turnover wheel 32, the lamp beads are transferred into the storage structure through the storage groove 32a, after the lamp beads enter the storage structure, the second push rod motor 35 and the third push rod motor 36 are started to drive the first storage rack 33 and the second storage rack 34 to be close to each other until the lamp beads on the storage structure are completely fixed, then the fourth push rod motor 42 is started to drive the accommodating barrel 44 to move, after the accommodating barrel 44 moves to the lower part of the storage structure, the fifth push rod motor 45 is started, the solder paste contained on the extrusion plate 46 is pushed upwards until the solder paste is attached to the lower portion of the storage structure, then the fourth push rod motor 42 is continuously started, the solder paste is coated in the limiting areas on the first supporting plate 33a and the second supporting plate 34a, at the moment, the solder paste is already adhered to pins of the lamp beads, then the second push rod motor 35 and the third push rod motor 36 are started, the first extrusion rod 37 and the second extrusion plate 46 are driven by the first spring 38 and the second spring 40 to push the lamp beads out of the first storage rack 33 and the second storage rack 34, and then the lamp beads are taken out through the manipulator 14 and placed at the corresponding positions on the lamp panel 49.
This mechanism can be quick go up tin cream to single lamp pearl and handle, when taking out on lamp pearl deposit first storage rack 33 and second storage rack 34 simultaneously, can avoid the tin cream to drop.
Specifically, the upper portion of the first storage rack 33 is provided with a third limiting plate, the upper portion of the second storage rack 34 is provided with a fourth limiting plate, and the widths of the third limiting plate and the fourth limiting plate are respectively smaller than the widths of the first supporting plate 33a and the second supporting plate 34 a.
Specifically, the third limiting plate and the fourth limiting plate are arranged obliquely.
Specifically, the first support plate 33a is provided with a first sliding groove 33a2, the first sliding groove 33a2 is provided with a first sliding plate 33a3 in a sliding manner, the first sliding plate 33a3 is connected with the first storage rack 33 through a third spring, the second support plate 34a is provided with a second sliding groove 34a2, the second sliding groove 34a2 is provided with a second sliding plate 34a3 in a sliding manner, and the second sliding plate 34a3 is connected with the first storage rack 33 through a fourth spring. This design can support the lamp pearl when first storage rack 33 and second storage rack 34 keep away from each other.
Specifically, the first storage rack 33 and the second storage rack 34 each have a guide plate 48 thereon. The guide plate 48 is located on the side of the first storage rack 33 and the second storage rack.
Specifically, a scraper 47 is fixed to the edge of the pressing plate 46. Solder paste is prevented from flowing out between the pressing plate 46 and the accommodating barrel 44.
Specifically, the lower surfaces of the first and second support plates 33a, 34a are flush with the lower surface of the abutting plate 41. Can effectively scrape off the redundant solder paste in bottom, avoid extravagant.
The above components are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experiments.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (8)
1. A method for replacing an LED lamp bead on a substrate is characterized by comprising the following steps:
s1, placing the LED substrate on a replacement device for power-on detection, and then replacing a visual photographing device on the device for photographing detection to judge whether all the lamp beads on the LED substrate are lighted;
s2, after detecting the unlighted lamp beads, setting the coordinate positions of the unlighted lamp beads through the comparison of LED substrate arrangement drawings, heating the lower surfaces of the lamp panels corresponding to the unlighted lamp beads through a heating assembly until tin is melted, refrigerating outside the heating range, and taking out the unlighted lamp beads through a manipulator;
s3, inputting the good lamp beads through the input assembly, coating solder paste on the lower parts of the good lamp beads, picking up the lamp beads through a manipulator, and transferring the lamp beads to a position where the unlit lamp beads are taken out;
s4, restarting the heating assembly to fix the good lamp beads;
and S5, detecting the electrification.
2. The method of claim 1, wherein the replacement device comprises a frame, the frame is fixed with a vision device, the frame is provided with a power device for powering on the lamp panel, the frame is provided with a track, the track is fixed with a first limit slide and a second limit slide, a placing channel for placing the lamp panel is formed between the first limit slide and the second limit slide, the second limit slide can be fixed by a limit screw, the frame is provided with a moving frame, the frame is provided with a driving mechanism for driving the moving frame to move, the moving frame is provided with a first sliding hole and a second sliding hole, the first sliding hole is provided with an ascending and descending frame in a sliding manner, the second sliding hole is provided with a descending frame in a sliding manner, the ascending and descending frame is fixed with a first rack, a second rack is fixed on the lower lifting frame, a first gear is rotatably arranged on the movable frame, and the first gear is simultaneously meshed with the first rack and the second rack; a first driving motor is fixed on the movable frame, and an output shaft of the first driving motor is in transmission connection with the gear; the ascending and descending frame is provided with a picking assembly for picking up lamp beads, the descending frame is provided with a heating assembly for heating the lamp panel, and the rack is also provided with an input assembly for inputting the lamp beads and coating solder paste on pins of the lamp beads.
3. The method for replacing the LED lamp beads on the substrate according to claim 1, wherein the picking assembly comprises a manipulator, a second driving motor, a second gear, a third gear, a first push rod motor and a sliding block, a transversely arranged guide rail is fixed on the ascending and descending frame, the sliding block is arranged on the guide rail in a sliding manner, the second driving motor is fixed on the sliding block, the second gear is coaxially fixed on the second driving motor, the third gear is fixed on the ascending and descending frame, the second gear is meshed with the third gear, the first push rod motor is fixed on the sliding block, and the manipulator is fixed on a push rod of the first push rod motor.
4. The method for replacing the LED lamp beads on the substrate according to claim 1, wherein the heating assembly comprises a heating plate, a refrigeration component, an air cooler and an adjusting rod, a supporting rod is arranged on the lower lifting frame, a through hole is formed in the supporting rod, the adjusting rod is arranged on the through hole in a sliding mode and connected with the supporting rod through a pressure spring, the refrigeration component is fixed to the upper portion of the adjusting rod, a circulation channel for circulation of cold air is formed in the refrigeration component, the section of the refrigeration component is C-shaped, the refrigeration component is O-shaped, the refrigeration component is coated with silicon rubber, the refrigeration component is provided with an inlet and an outlet, the air cooler is fixed to the frame, and an air outlet of the air cooler is connected with the inlet of the refrigeration component through a pipeline.
5. The method for replacing the LED lamp beads on the substrate according to claim 1, wherein the input assembly comprises an input pipeline, a recovery groove, an unwinding shaft for arranging an LED lamp bead reel, a first winding shaft for winding a film and a second winding shaft for winding a winding belt, the input pipeline and the recovery groove are fixed on a rack, an opening is formed in the input pipeline, a driving motor is fixed on the rack, a turnover wheel is fixed on an output shaft of the driving motor, a plurality of storage grooves for containing one lamp bead are formed in the turnover wheel, and the storage grooves can correspond to the lower end of the input pipeline; the lamp bead storage device is characterized in that the unwinding shaft, the first winding shaft and the second winding shaft are rotatably arranged on a rack, a third driving motor and a fourth driving motor are fixed on the rack, an output shaft of the third driving motor is in transmission connection with the first winding shaft, an output shaft of the fourth driving motor is in transmission connection with the second winding shaft, a storage structure for storing lamp beads is arranged on the rack, the storage structure comprises a first storage rack, a second push rod motor and a third push rod motor, the second push rod motor and the third push rod motor are fixed on the rack, the first storage rack is fixed on a push rod of the second push rod motor, a plurality of first extrusion rods are slidably arranged on the first storage rack, the first extrusion rods are connected with the first storage rack through springs, a plurality of second extrusion rods are slidably arranged on the second storage rack, and the second extrusion rods are connected with the second storage rack through springs, the second storage rack is fixed on a push rod of the third push rod motor, when the first storage rack and the second storage rack are abutted, a containing area for containing lamp beads is formed and is connected with one storage groove on the turnover wheel, the first storage rack is provided with a first supporting plate, the second storage rack is provided with a second supporting plate, the first supporting plate is provided with a first groove corresponding to a pin of the lamp beads, the second supporting plate is provided with a second groove corresponding to the pin of the lamp beads, the first groove and the second groove can form a limiting area for limiting tin paste, an abutting plate connected with the first storage rack and the second storage rack is fixed on the rack, a fourth push rod motor is fixed on the rack, a moving block is fixed on the push rod of the fourth push rod motor, a containing barrel is fixed on the moving block, and the upper part of the containing barrel can abut against the lower surface of the abutting plate, and a fifth push rod motor is fixed at the bottom of the accommodating barrel, an extrusion plate is fixed on a push rod of the fifth push rod motor, and the extrusion plate is abutted against the edge of the accommodating barrel.
6. The method for replacing the LED lamp beads on the substrate as claimed in claim 5, wherein the first storage rack and the second storage rack are provided with guide plates.
7. The method of claim 6, wherein a scraper is fixed to the edge of the pressing plate.
8. The method of claim 7, wherein the lower surfaces of the first and second support plates are flush with the lower surface of the support plate.
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| CN110044497A (en) * | 2019-04-28 | 2019-07-23 | 深圳市万禾自动化设备有限公司 | LED colour temperature detection machine |
| WO2020079921A1 (en) * | 2018-10-15 | 2020-04-23 | 株式会社ブイ・テクノロジー | Repair cell, micro led display, and method for manufacturing repair cell |
| CN111341801A (en) * | 2018-12-19 | 2020-06-26 | 系统科技公司 | Light-emitting diode substrate repairing device and method |
| CN111976127A (en) * | 2019-10-10 | 2020-11-24 | 海盐县集佳建材有限公司 | A supplementary forming mechanism for decorating wallboard surface pattern |
| CN112103214A (en) * | 2020-09-08 | 2020-12-18 | 深圳市联得自动化装备股份有限公司 | Detection and repair system and detection and repair method for light-emitting diode product |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020079921A1 (en) * | 2018-10-15 | 2020-04-23 | 株式会社ブイ・テクノロジー | Repair cell, micro led display, and method for manufacturing repair cell |
| CN111341801A (en) * | 2018-12-19 | 2020-06-26 | 系统科技公司 | Light-emitting diode substrate repairing device and method |
| CN110044497A (en) * | 2019-04-28 | 2019-07-23 | 深圳市万禾自动化设备有限公司 | LED colour temperature detection machine |
| CN111976127A (en) * | 2019-10-10 | 2020-11-24 | 海盐县集佳建材有限公司 | A supplementary forming mechanism for decorating wallboard surface pattern |
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